homeauto/Media.dzvents

return {
	on = {
		timer = {
		    'every 5 minutes'
	    },
	    devices = {
	        'Kodi_Wohnzimmer',
	        -- 'Kodi_Wohnzimmer_Audioausgang'
	        },
	    httpResponses = {
			'trigger_kodi', -- must match with the callback passed to the openURL command
		}
	    },
	data = {
	        turn_off_time = { initial = 0 },
	        old_state = { initial = 'Off' },
	        old_data = { initial = 'Init' },
	        turn_off_counter = { initial = 0 }
        },
	
	execute = function(domoticz, item)
        
        local volume_low = "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"Application.SetVolume\", \"params\":{\"volume\":50}}"
        local volume_high = "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"Application.SetVolume\", \"params\":{\"volume\":100}}"
        local output_HiFi = "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"Settings.SetSettingValue\", \"params\":{\"setting\":\"audiooutput.audiodevice\", \"value\":\"ALSA:@\"}}"
        local output_HDMI = "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"Settings.SetSettingValue\",\"params\":{\"setting\":\"audiooutput.audiodevice\", \"value\":\"PI:HDMI\"}}"
        local active_players = "{\"jsonrpc\":\"2.0\", \"id\":1, \"method\":\"Player.GetActivePlayers\"}"
        local update_time_max = 10 -- Time to wait until the amp is turned off.
	local turn_off_counter_max = 5
	    
	    -- Kodi JSON interface functions.
	    
	    local function setKodiValues(postData)
            domoticz.openURL(
                            {
                               url = 'http://192.168.1.4:8080/jsonrpc',
                               method = 'POST',
                               headers = { ['Content-type'] = 'application/json' },
                               postData = postData
                            }
                        )
        end
        
        local function getKodiValues(postData)
            domoticz.openURL(
                            {
                               url = 'http://192.168.1.4:8080/jsonrpc',
                               method = 'POST',
                               headers = { ['Content-type'] = 'application/json' },
                               postData = postData,
                               callback = 'trigger_kodi'
                            }
                        )
        end
        
            
        current_state = domoticz.devices('Kodi_Wohnzimmer').state
        current_data = domoticz.devices('Kodi_Wohnzimmer').rawData[1] -- Type of media being played.
        
        -- Cross check if Kodi is really playing video, sometimes is just audio but video is shown.
        
        if((domoticz.data.old_state ~= "Video" and current_state == "Video") or current_data ~= domoticz.data.old_data) then -- Right now this is not working, because the script does not get triggered on song change.
            getKodiValues(active_players)
        end
        
        if (item.isHTTPResponse and item.ok) then
		    if (string.match(item.data, 'video')) then
		        media_type = "Movie"
	        elseif (string.match(item.data, 'audio')) then
	            media_type = "Music"
            else
                media_type = "Unknown"
            end
		end
        
        -- Turn on the amp, if Kodi is playing media.
        
         if ((current_state == 'Audio' or current_state == 'Video') and domoticz.devices('Steckdose_Verstaerker').state == 'Off') then
             domoticz.log('Kodi spielt Audio oder Video ab, schalte den Verstärker ein.')
             if (domoticz.devices('Steckdose_Verstaerker').state == 'On') then -- Wenn die Steckdose an war aber der Verstärker im Standby ist.
                 domoticz.devices('Steckdose_Verstaerker').switchOff()
             end
             domoticz.devices('Steckdose_Verstaerker').switchOn()
             setKodiValues(volume_low) -- Reduce the volume.
             setKodiValues(output_HiFi) -- Switch Kodi audio output to amp.
         end
         
         -- Turn on the TV, if Kodi is playing video.
        
         if (current_state == 'Video' and media_type == "Movie" and domoticz.devices('Steckdose_TV').state == 'Off') then
             domoticz.log('Kodi spielt Video ab, schalte den Fernseher ein.')
             domoticz.devices('Steckdose_TV').switchOn()
         elseif (((current_state == 'Video' and media_type == "Music") or current_state == "Audio") and domoticz.devices('Steckdose_TV').state == 'On') then
             domoticz.log('Kodi spielt Audio ab, schalte den Fernseher aus.')
             domoticz.devices('Steckdose_TV').switchOff()
         end
         
        -- If Kodi is playing nothing turn off TV and amp.
        
        if ((current_state == 'On' or current_state == 'Off' or current_state == 'Unknown') and (domoticz.devices('Steckdose_Verstaerker').state == 'On' or domoticz.devices('Steckdose_TV').state == 'On')) then
            if (domoticz.time.matchesRule('every 5 minutes')) then
                domoticz.data.turn_off_counter = domoticz.data.turn_off_counter + 1
            end
        else
            domoticz.data.turn_off_counter = 0 
        end
        
        if (domoticz.data.turn_off_counter > turn_off_counter_max) then
            domoticz.log('Es wird nichts gespielt. schalte den Verstärker und Fernseher aus.')
            domoticz.devices('Steckdose_Verstaerker').switchOff()
            domoticz.devices('Steckdose_TV').switchOff()
            domoticz.data.turn_off_counter = 0
	    end
	    
	    
	    domoticz.data.old_state = current_state
	    domoticz.data.old_data = current_data
	   
    end
}